And it IS insecurities driven to their furthest extremes.
It’s religion. Muslim men need the ‘training wheels’ of oppressed women to keep them from thinking the lusty thoughts that Allah will condemn them to hell for. If the only lovely shape you ever see is that of your wife while in your own home (presumably with a young boy for sex because regular sex is revolting, I guess), then the guardrails are in place to prevent your driving off the narrow road.